jquery在本地运行良好，但在heroku中则不行
在我的rails应用程序表单中，我试图向我的控制器发送一个jquery请求，以便在选择某个字段时更新下拉列表，它在本地工作正常，但在heroku上不工作 我尝试了jquery在本地运行良好，但在heroku中则不行,jquery,ruby-on-rails,ajax,Jquery,Ruby On Rails,Ajax,在我的rails应用程序表单中，我试图向我的控制器发送一个jquery请求，以便在选择某个字段时更新下拉列表，它在本地工作正常，但在heroku上不工作 我尝试了RAILS\u ENV=production-rake-assets:precompile，但什么也没发生 在我添加另一个名为area的字段之前，它曾经工作过 我的表格 我的路线 我认为这并不是问题的原因，但是表单中有无效的标记-body和form标记。我认为对于Heroku，您需要预编译资产并将其推送到Heroku上。我知道这不是一个
RAILS\u ENV=production-rake-assets:precompile我认为这并不是问题的原因，但是表单中有无效的标记-
bodyformbodyform<head>
<script src="/assets/mama.js"></script>
</head>
<%= form_with(model: shop, local: true) do |form| %>
<% if shop.errors.any? %>
<div id="error_explanation">
<h2><%= pluralize(shop.errors.count, "error") %> prohibited this shop from being saved:</h2>
<ul>
<% shop.errors.full_messages.each do |message| %>
<li><%= message %></li>
<% end %>
</ul>
</div>
<% end %>
<body>
<form >
<h1>Add Your Shop</h1>
<fieldset>
<legend><span class="number">1</span>Your basic info</legend>
<label for="name">Name:</label>
<%= form.text_field :name, id: :shop_name %>
<label for="mail">Email:</label>
<%= form.text_field :email, id: :shop_email %>
<label for="password">Description:</label>
<%= form.text_area :description, id: :shop_description %>
<label>Image:</label>
<%= form.file_field :imageshop, id: :shop_imageshop %>
</fieldset>
<fieldset>
<legend><span class="number">2</span>Important Infos</legend>
<label for="bio">Location:</label>
<%= form.text_field :location, id: :shop_location %>
</fieldset>
<fieldset>
<label for="bio">Registeration Number:</label>
<%= form.text_field :registeration_number, id: :registeration_number %>
</fieldset>
<fieldset>
<label for="job">Website:</label>
<%= form.text_field :web, id: :shop_web %>
<label>Phone Number:</label>
<%= form.text_field :phone, id: :shop_phone %><br><label class="light" for="business">Business Type</label>
<%= form.select :busness, ['Service Provider', 'Products Based Business'] %><label class="light" for="design">Business Category</label><br>
<%= form.select :category, ['Electronics', 'Fashion', 'Furniture', 'Kitchen Stores', 'Restraunts', 'Hotels', 'General Stores', 'Grocery Stores'] %>
<label>Please select a State:</label>
<%= form.select :state, options_for_select([["Select a State",""]] + State.all.map { |c| [c.name, c.id] },selected: shop.state ), {}, id: "state"%>
<label>Please select a District:</label>
<%= form.select :city, options_for_select([["Select a District",""]]),{}, :id => 'city' %>
<label>Please select a Area:</label>
<%= form.select :area, options_for_select([["Select a Area",""]]),{}, :id => 'area' %>
</fieldset>
<div class="bobo" style="text-align:center; padding:0; margin:0;">
<%= form.submit class: "btn-success" %>
</div>
</form>
</body>
</html>
<% end %>
<script type="text/javascript">
var selectedCity = "";
<% if shop.city.present? %>
selectedCity = <%= shop.city %>;
<% end %>
var selectedArea = "";
<% if shop.area.present? %>
selectedArea = <%= shop.area %>;
<% end %>
$(function() {
if ($("select#state").val() == "") {
$("select#city option").remove();
var row = "<option value=\"" + "" + "\">" + "city" + "</option>";
$(row).appendTo("select#city");
}
var $val = $("select#state").val();
if($val != ""){
getCitiesOfState($val);
}
$("select#state").change(function() {
var id_value_string = $(this).val();
if (id_value_string == "") {
$("select#city option").remove();
var row = "<option value=\"" + "" + "\">" + "city" + "</option>";
$(row).appendTo("select#city");
} else {
// Send the request and update city dropdown
getCitiesOfState(id_value_string)
}
});
if ($("select#city").val() == "" && selectedCity == "") {
$("select#area option").remove();
var row = "<option value=\"" + "" + "\">" + "area" + "</option>";
$(row).appendTo("select#area");
}
var $val2 = $("select#city").val();
console.log("val________", $val2);
if($val2 != "" && selectedCity == ""){
getAreasOfCity($val2)
}
console.log("selected_city________", selectedCity);
if (selectedCity != "") {
getAreasOfCity(selectedCity)
}
$("select#city").change(function() {
var id_value_string = $(this).val();
if (id_value_string == "") {
$("select#area option").remove();
var row = "<option value=\"" + "" + "\">" + "area" + "</option>";
$(row).appendTo("select#area");
} else {
// Send the request and update city dropdown
getAreasOfCity(id_value_string)
}
});
});
</script>
#get cities from state
def get_cities_by_state
@cities = State.find(params[:state]).cities
respond_to do |format|
format.json { render :json => @cities }
end
end
#get area from city
def get_areas_by_city
@areas = City.find(params[:city]).areas
respond_to do |format|
format.json { render :json => @areas }
end
end
post :get_cities_by_state, action: :get_cities_by_state, controller: :products
post :get_areas_by_city, action: :get_areas_by_city, controller: :products